9 in 10 Heart Attacks Are Preventable — So Why Aren't We Preventing Them?

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Heart attacks are the leading cause of death worldwide, but a landmark global study found that over 90% of first heart attacks are linked to just nine modifiable risk factors — such as high cholesterol, high blood pressure, and diabetes. In this video, I explain the groundbreaking INTERHEART study published in The Lancet a few years ago, and why despite knowing the causes of heart attacks for all this time, cardiovascular disease remains the number one killer globally.

Drawing on nearly a decade of frontline experience in NHS emergency departments, I break down the nine key drivers of heart attacks, why modern healthcare systems struggle to focus on prevention, and the practical steps you can take today to dramatically reduce your risk. From cholesterol and blood pressure to insulin resistance, stress, diet, and physical inactivity, this video explains the science behind cardiovascular disease in simple terms — and why prevention is far more powerful than treatment.

What you'll learn in this video:
-The INTERHEART study and why it changed cardiovascular medicine
-The 9 modifiable causes of heart attacks responsible for over 90% of risk
-Why abnormal cholesterol ratios drive nearly half of heart attack risk
-The hidden danger of high blood pressure and silent hypertension
-Why visceral fat and insulin resistance are major cardiovascular drivers
-The surprising role of stress and psychosocial factors
-Why lifestyle and modern environments make prevention difficult
-The four key health numbers everyone should know

Timestamps:
00:00 The Study That Should Have Changed Everything
01:44 The Nine Factors
08:31 So Why Haven't Things Changed?
11:18 What To Actually Do With This

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References:
Effect of potentially modifiable risk factors associated with myocardial infarction in 52 countries (the INTERHEART study): case-control study
https://pubmed.ncbi.nlm.nih.gov/15364185/

Alcohol use and burden for 195 countries and territories, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016
https://pubmed.ncbi.nlm.nih.gov/30146330/

No level of alcohol consumption improves health
https://pubmed.ncbi.nlm.nih.gov/30146328/

#longevity #hearthealth #cardiovascularhealth #preventivedisease #dralex #doctoralex
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Cardiology
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